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✔【Durable Battery to Use】 Built-in 320mA rechargeable battery provides up to 8hrs(Full Volume)/15hrs(50% Volume) music listening. This headphone can provide you with long-term use without worrying about the trouble of using too short a time. ✔【Wireless Wired Arbitrary】 The bluetooth technology headphones have both a wireless mode and wired mode, using the 3.5mm aux cable that is included in the package. The headphones are compatible with most Bluetooth devices, like tablets and smartphones, also the headphones will never power off. ✔【Foldable and Built-in Mic Design】 The foldable Headphone is not only designed for saving your desk space but for carrying in the provided bag. A high-quality built-in microphone can save more space on your desk and bag. And we bring our own earphone storage bag, which is small and convenient and does not take up too much space for convenient storage. ✔【PU Leather Cushion Head-Pad】Soft on ear PU leather cushion head-pad and ear-pad make sure long time wearing and perfect noise isolation.So don't worry, our headphones will remain comfortable even when you wear them for a long time, and their simple and lightweight design makes people shine. ✔【Easy Access Controller for Your Freedom 】 Multifunctional keys allow you to power on/off, answer/hang up/reject/redial call, pause and play, vol+/-, next/previous track.You can change the size of the song anytime, anywhere, and answer or hang up the phone without having to control the phone or other.